pjs/xpfe/global/resources/content/printProgress.js

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JavaScript
Исходник Обычный вид История

/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/*
* The contents of this file are subject to the Netscape Public License
* Version 1.0 (the "License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* http://www.mozilla.org/NPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla Communicator client code,
* released March 31, 1998.
*
* The Initial Developer of the Original Code is Netscape Communications
* Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
* Reserved.
*
* Contributors:
* William A. ("PowerGUI") Law <law@netscape.com>
* Scott MacGregor <mscott@netscape.com>
* jean-Francois Ducarroz <ducarroz@netscape.com>
* Rod Spears <rods@netscape.com>
*/
// dialog is just an array we'll use to store various properties from the dialog document...
var dialog;
// the printProgress is a nsIPrintProgress object
var printProgress = null;
// random global variables...
var targetFile;
var docTitle = "";
var docURL = "";
var progressParams = null;
// all progress notifications are done through the nsIWebProgressListener implementation...
var progressListener = {
onStateChange: function(aWebProgress, aRequest, aStateFlags, aStatus)
{
if (aStateFlags & Components.interfaces.nsIWebProgressListener.STATE_START)
{
// Put progress meter in undetermined mode.
// dialog.progress.setAttribute( "value", 0 );
dialog.progress.setAttribute( "mode", "undetermined" );
}
if (aStateFlags & Components.interfaces.nsIWebProgressListener.STATE_STOP)
{
// we are done sending/saving the message...
// Indicate completion in status area.
var msg = getString( "printComplete" );
dialog.status.setAttribute("value", msg);
// Put progress meter at 100%.
dialog.progress.setAttribute( "value", 100 );
dialog.progress.setAttribute( "mode", "normal" );
var percentPrint = getString( "progressText" );
percentPrint = replaceInsert( percentPrint, 1, 100 );
dialog.progressText.setAttribute("value", percentPrint);
window.close();
}
},
onProgressChange: function(aWebProgress, aRequest, aCurSelfProgress, aMaxSelfProgress, aCurTotalProgress, aMaxTotalProgress)
{
if (progressParams)
{
var docTitleStr = progressParams.docTitle;
if (docTitleStr != docTitle) {
SetTitle(docTitleStr);
docTitle = docTitleStr;
}
var docURLStr = progressParams.docURL;
if (docURLStr != docURL && dialog.status != null) {
dialog.status.value = docURLStr;
docURL = docURLStr;
}
}
// Calculate percentage.
var percent;
if ( aMaxTotalProgress > 0 )
{
percent = parseInt( (aCurTotalProgress*100)/aMaxTotalProgress + .5 );
if ( percent > 100 )
percent = 100;
dialog.progress.removeAttribute( "mode");
// Advance progress meter.
dialog.progress.setAttribute( "value", percent );
// Update percentage label on progress meter.
var percentPrint = getString( "progressText" );
percentPrint = replaceInsert( percentPrint, 1, percent );
dialog.progressText.setAttribute("value", percentPrint);
}
else
{
// Progress meter should be barber-pole in this case.
dialog.progress.setAttribute( "mode", "undetermined" );
// Update percentage label on progress meter.
dialog.progressText.setAttribute("value", "");
}
},
onLocationChange: function(aWebProgress, aRequest, aLocation)
{
// we can ignore this notification
},
onStatusChange: function(aWebProgress, aRequest, aStatus, aMessage)
{
if (aMessage != "")
dialog.status.setAttribute("value", aMessage);
},
onSecurityChange: function(aWebProgress, aRequest, state)
{
// we can ignore this notification
},
QueryInterface : function(iid)
{
if (iid.equals(Components.interfaces.nsIWebProgressListener) || iid.equals(Components.interfaces.nsISupportsWeakReference))
return this;
throw Components.results.NS_NOINTERFACE;
}
};
function getString( stringId ) {
// Check if we've fetched this string already.
if (!(stringId in dialog.strings)) {
// Try to get it.
var elem = document.getElementById( "dialog.strings."+stringId );
try {
if ( elem
&&
elem.childNodes
&&
elem.childNodes[0]
&&
elem.childNodes[0].nodeValue ) {
dialog.strings[ stringId ] = elem.childNodes[0].nodeValue;
} else {
// If unable to fetch string, use an empty string.
dialog.strings[ stringId ] = "";
}
} catch (e) { dialog.strings[ stringId ] = ""; }
}
return dialog.strings[ stringId ];
}
function loadDialog()
{
}
function replaceInsert( text, index, value ) {
var result = text;
var regExp = new RegExp( "#"+index );
result = result.replace( regExp, value );
return result;
}
function onLoad() {
// Set global variables.
printProgress = window.arguments[0];
if (window.arguments[1])
{
progressParams = window.arguments[1].QueryInterface(Components.interfaces.nsIPrintProgressParams)
if (progressParams)
{
docTitle = progressParams.docTitle;
docURL = progressParams.docURL;
}
}
if ( !printProgress ) {
dump( "Invalid argument to downloadProgress.xul\n" );
window.close()
return;
}
dialog = new Object;
dialog.strings = new Array;
dialog.status = document.getElementById("dialog.status");
dialog.progress = document.getElementById("dialog.progress");
dialog.progressText = document.getElementById("dialog.progressText");
dialog.cancel = document.getElementById("cancel");
dialog.status.value = docURL;
// Set up dialog button callbacks.
var object = this;
doSetOKCancel("", function () { return object.onCancel();});
// Fill dialog.
loadDialog();
// set our web progress listener on the helper app launcher
printProgress.registerListener(progressListener);
moveToAlertPosition();
//We need to delay the set title else dom will overwrite it
window.setTimeout(SetTitle, 0, docTitle);
}
function onUnload()
{
if (printProgress)
{
try
{
printProgress.unregisterListener(progressListener);
printProgress = null;
}
catch( exception ) {}
}
}
function SetTitle(str)
{
var prefix = getString("titlePrefixPrint");
window.title = prefix + " " + str;
}
// If the user presses cancel, tell the app launcher and close the dialog...
function onCancel ()
{
// Cancel app launcher.
try
{
printProgress.processCanceledByUser = true;
}
catch( exception ) {return true;}
// don't Close up dialog by returning false, the backend will close the dialog when everything will be aborted.
return false;
}